Home / 212,904.72-293,465.82-155,452.95

Finding the Fourth Proportional to 212,904.72, 293,465.82 and 155,452.95

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Solution

The fourth proportional to 212,904.72, 293,465.82 and 155,452.95 is: 214,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,904.72 : 293,465.82 = 155,452.95 : x
  2. Step 2: Convert to fraction form
    212,904.72/293,465.82 = 155,452.95/x
  3. Step 3: Cross multiply
    212,904.72x = 293,465.82 × 155,452.95
  4. Step 4: Simplify right side
    212,904.72x = 45,620,127,443.17
  5. Step 5: Solve for x
    x = 45,620,127,443.17/212,904.72
  6. Step 6: Final answer
    x = 214,274.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.